Daikin D2CND028A1AA, Руководство по обслуживанию

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D2CND0 D2CND0 D2CND0
D2CND0 D2TND0 D2TND035A4AA
Wall-mounted condensing boiler
ESIE17 - 09 / 2017.11
Servicing manual
12
(2)
(3)
(4)
4.3 Cable Group Removal
•
Isolate the appliance from power supply and closedown
the gas valve.
•
Remove the front cover forwards. (Refer to Section 4.2).
•
Disconnect the three cable clips which locate the right
cover (1).
•
Disconnect wire connector of 3-way valve motor(step mo -
tor) (Refer to Section 4.6).
•
Open the control panel (Refer to Section 4.11).
•
Disconnect all wire connectors that inserted on PCB.
•
Disconnect pump wire connectors by pushing pawls help
of flat screwdriver (2).
•
Disconnect the wire connector of flow sensor ( it is used
only C model) (3) and water pressure sensor (4).
•
Disconnect the wire connector of 3 way valve (refer to
4.6.1).
•
Dismantle the ignition electrode and its earth cable from
the power supply (5).
•
Firstly loosen the screw which is at figure to dismantle
earth cable of ionization electrode from power supply (6).
•
Firstly loosen the screw which is at figure to take out high
voltage earth cable of boiler from power supply (7).
•
Demount wire connector of CH return, CH flow, flue gas
sensors and high limit thermostat (8).
•
Dismantle wire connector of gas valve (9).
•
Dismantle wire connector of ionization electrode (10).
4 Part replacement
(1)
(7)
(6)
(5)
Refer to 4.6.1
(8) (10)
(9)
(8)